1 files changed, 118 insertions, 0 deletions
diff --git a/Ivy/IvyBinding.cs b/Ivy/IvyBinding.cs
new file mode 100644
index 0000000..624b401
--- /dev/null
+++ b/Ivy/IvyBinding.cs
@@ -0,0 +1,118 @@
+using System;
+using System.Collections;
+using System.Collections.Specialized;
+using System.Text.RegularExpressions;
+using System.Diagnostics;
+	
+namespace IvyBus
+{
+    /* This is the Client side of binding storage */
+    /* association of a generated Key and the expression and a compiled Expression matching */
+    /* this is RECEIVED from other client */
+
+	/// <summary>
+	/// Description résumée de IvyBinding.
+	/// </summary>
+	internal abstract class IvyBindingBase
+	{
+
+        private ushort key;
+
+        internal ushort Key
+        {
+            get { return key; }
+        }
+        protected string expression;
+
+        internal string Expression
+        {
+            get { return expression; }
+        }
+
+        internal IvyBindingBase(ushort id, string exp)
+		{
+			key = id;
+			expression = exp;
+		}
+        internal abstract string[] Match(string message);
+		
+	}
+	internal class IvyBindingRegexp :  IvyBindingBase
+	{
+		internal Regex regexp;
+
+        public IvyBindingRegexp(ushort id, string exp)
+            : base(id, exp)
+		{
+            regexp = new Regex(expression, /* RegexOptions.Compiled | */RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+            //regexp.Match("###"); // for really compile the expression really slow on 3000 expression
+		}
+        internal override string[] Match(string message)
+		{
+        string[] args = null;
+		// use of regexp to extract info
+		Match result = regexp.Match(message);
+		if (result.Success)
+			{
+				// Start at 1 because group 0 represent entire matching
+                args = new string[result.Groups.Count-1];
+				for (int sub = 1; sub < result.Groups.Count; sub++)
+				{
+                    args[sub-1] = result.Groups[sub].Value;
+				}
+			}
+		return args;	
+		}
+	}
+	internal class IvyBindingSimple :  IvyBindingBase
+	{
+		internal string msgname; // message name  
+		internal string[] msgargs; // list of message args names
+		static string msgtag;			// send message name  
+		static StringDictionary args_values;	// send message args[name]=value
+
+        internal IvyBindingSimple(ushort id, string exp)
+            : base(id, exp)
+		{
+			string[] expr = expression.Split( ' ' );
+			msgname = expr[0];
+			msgargs = new string[ expr.Length -1 ];
+			for ( int i = 1; i < expr.Length; i++ )
+				msgargs[i-1] = expr[i];
+		}
+        static internal void Prepare(string message)
+		{	
+			string[] msg = message.Split(' ');
+			msgtag = msg[0];
+			args_values = new StringDictionary();
+			for( int sub=1 ; sub < msg.Length; sub++ )
+			{
+				string[] arg = msg[sub].Split('='); // champ = valeur
+				if ( arg.Length == 2 )
+					args_values[arg[0]] = arg[1]; 
+				else 
+				{
+                    Ivy.traceError("IvyBindingSimple" , "abnormally Formed message expected 'msg champ=valeur champ=valeur....' :" + message);
+				}
+			}
+			
+		}
+        internal override string[] Match(string message)
+		{
+			// the message is already parsed by prepare 
+			// 
+            string[] args = null;
+			
+			if (msgtag == msgname)
+			{
+                args = new string[msgargs.Length];
+				for( int sub= 0; sub < msgargs.Length; sub++)
+				{
+                    args[sub] = args_values[msgargs[sub]];
+				}
+			}
+			return args;
+		}
+        
+	}
+}